Engine
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V-Twin - 40-0343 - Oil Cooler Kit Dual Tube Vertical Type - Fits 2000-2017 Harley-Davidson FLST, FXST
V-Twin Mfg
$317.20Sifton oil cooler kit with 1-1/8" clamps, billet dual tube vertical cooler with clamps, stainless lines, and 4 chrome seal ends. Unit measures 10" long and 4-1/8" at top diameter Fits:FLST...$317.20 -
V-Twin - 40-0341 - Oil Cooler Clamp Set
Wyatt Gatling
$48.38V-Twin - 40-0341 - Oil Cooler Clamp SetDescriptionChrome billet oil cooler clamps are used to mount 1-1/8" diameter oil coolers to 1-1/4" frame tube. Fits:Custom application for 1-1/4" diameter oil...$48.38 -
V-Twin - 40-0316 - Chrome Generator Oil Filter Adapter
Wyatt Gatling
MSRP: $71.55$70.83V-Twin - 40-0316 - Chrome Generator Oil Filter AdapterDescriptionOil filter adapter has 5/16" x 24 threaded bolts to accept stock oil filter.Use the Heilcoil kit to convert to 1/4"-24 threads so...MSRP: $71.55$70.83 -
V-Twin - 40-0305 - Lockhart Replica Oil Cooler
Wyatt Gatling
$289.05V-Twin - 40-0305 - Lockhart Replica Oil CoolerDescriptionSifton, replica, oil cooler is a horizontal mount type with brass fins and four rows of cooling tubes, encased by a welded steel frame, and...$289.05 -
V-Twin - 40-0301 - Oil Filter Kit - Fits 1982-1984 Harley-Davidson XL
V-Twin Mfg
MSRP: $70.95$70.24This complete oil filter kit installs as engine mount plates and oil filter unit & includes chrome filter, hose, clamps and chrome motor mount plates Fits:XL 1982-1984Additional InformationMSRP: $70.95$70.24 -
V-Twin - 40-0273 - Oil Filter Adapter
Wyatt Gatling
MSRP: $81.92$81.09V-Twin - 40-0273 - Oil Filter AdapterDescriptionOil filter adapter with fittings. Equipped with 2 outlets. One for feed, one for return.Allows installation of oil cooler on 1984-1998 FXST/FLST models...MSRP: $81.92$81.09 -
V-Twin - 40-0272 - Dual Cool Oil Cooler
V-Twin Mfg
$243.95V-Twin - 40-0272 - Dual Cool Oil CoolerDescriptionChrome dual oil cooler includes stainless steel hose and adapter fitting for engine to allow use of oil filter which is included.Bracket is sold...$243.95 -
V-Twin - 40-0260 - Replica 'Y' Oil Line Elbow
Wyatt Gatling
MSRP: $40.27$39.47V-Twin - 40-0260 - Replica 'Y' Oil Line ElbowDescriptionReplica zinc plated Panhead 'Y' oil line elbow for use on outside oiling. Fits:FL 1963-1965Additional InformationMSRP: $40.27$39.47 -
V-Twin - 40-0250 - Cylinder Drain Inner Filter
V-Twin Mfg
$31.66V-Twin - 40-0250 - Cylinder Drain Inner FilterDescriptionThis inner filter for return top end oil features a stainless steel screen and a ceramic magnet that will stop all ferrous debris from common...$31.66 -
V-Twin - 40-0247 - Knucklehead Top Y Oil Line Zicad - Fits 1936-1940 Harley-Davidson EL, 1941 FL
V-Twin Mfg
MSRP: $138.24$137.06Banjo type top oiler line has a zicad finish for Knuckleheads. Line utilizes the 9/16" hex nut bolt.Features banjo end to accept banjo bolts, not included. ...MSRP: $138.24$137.06 -
V-Twin - 40-0242 - Braided Overhead Rocker Arm Oil Line
Wyatt Gatling
$32.31V-Twin - 40-0242 - Braided Overhead Rocker Arm Oil LineDescriptionThis braided overhead rocker arm oil line is stainless steel with fittings Fits:XL 1957-1985Additional Information$32.31 -
V-Twin - 40-0241 - Braided Overhead Rocker Arm Oil Line
Wyatt Gatling
$31.45V-Twin - 40-0241 - Braided Overhead Rocker Arm Oil LineDescriptionThis overhead rocker arm oil line is covered with stainless steel braided wire and is for stock height cylinders. Fits:FLT...$31.45 -
V-Twin - 40-0240 - Knucklehead Top Y Oil Line Chrome - Fits 1936-1940 Harley-Davidson EL, 1941 FL
V-Twin Mfg
MSRP: $138.24$137.06Banjo type top oiler line has a chrome finish for Knuckleheads. Line utilizes the 9/16" hex nut bolt.Features banjo end to accept banjo bolts, not included. Fits:EL 1936-1940FL 1941-1941Additional...MSRP: $138.24$137.06 -
V-Twin - 40-0239 - Knucklehead Top Oil Line Zicad - Fits 1942-1947 Harley-Davidson FL
V-Twin Mfg
$137.06Top oil line features a zicad finish and Knucklehead with gland type nuts for installation. Line utilizes the 9/16" hex nut bolt.*NOTE: Zicad is a dull shade of zinc similar to cadmium. Fits:FL...$137.06 -
V-Twin - 40-0203 - Rocker Box Line Kit Chrome
Wyatt Gatling
$84.61V-Twin - 40-0203 - Rocker Box Line Kit ChromeDescriptionChrome rocker box line kit includes "T" to oil the heads with 3mm tube.*NOTE: Oil line has 3mm outer diameter. Fits:FLT 1979-1983FX...$84.61 -
V-Twin - 40-0201 - Finned Oil Filter Canister - Fits 1948-1964 Harley-Davidson FL
V-Twin Mfg
$82.96Oil filter body has a finned design for canister style filter assemblies.Original "Beehive" oil filter canister was first produced by George Smith Sr in the 1950's. Casting is supplied with raw...$82.96 -
V-Twin - 40-0180 - Rocker Box Oil Line Set
Wyatt Gatling
MSRP: $38.05$37.29V-Twin - 40-0180 - Rocker Box Oil Line SetDescriptionSifton, chrome rocker box oil line set for Shovelhead models includes fittings and seals, and features an updated fitting design for ease of...MSRP: $38.05$37.29 -
V-Twin - 40-0179 - Replica 'Y' Oil Line Kit
Wyatt Gatling
MSRP: $72.13$71.41V-Twin - 40-0179 - Replica 'Y' Oil Line KitDescriptionReplica steel 'Y' line oil kit includes elbow and fittings for Panhead engines. The line is chrome and the elbow is zinc plated.Kit is for use on...MSRP: $72.13$71.41 -
V-Twin - 40-0157 - Feed Oil Line Washer - Fits 1936-1952 Harley-Davidson WL, 1936-1973 G
V-Twin Mfg
MSRP: $7.94$7.85Washer is for feed oil line banjo fitting bolt. Fits:WL 1936-1952G 1936-1973Additional Information OEM No.3570-36BMSRP: $7.94$7.85 -
V-Twin - 40-0151 - Cadmium Feed Oil Line - Fits 1938-1948 Harley-Davidson UL
V-Twin Mfg
$46.20Cadmium Feed Oil Line Fits:UL 1938-1948Additional Information OEM No.3571-38 UOM1 - EA$46.20 -
V-Twin - 40-0128 - Replica 'Y' Oil Line Elbow - Fits 1963-1965 Harley-Davidson FL
V-Twin Mfg
$22.31Replica brass Panhead 'Y' oil line elbow for use on outside oiling. Fits:FL 1963-1965Additional Information OEM No.63542-63$22.31 -
V-Twin - 40-0125 - Oil Filter Upper and Lower Seal Kit
Wyatt Gatling
MSRP: $16.56$16.39V-Twin - 40-0125 - Oil Filter Upper and Lower Seal KitDescriptionOil filter kit with upper seal kit and lower seals Fits:XLH 1957-1981FL 1965-1981FX 1971-1981Additional InformationMSRP: $16.56$16.39 -
V-Twin - 40-0122 - Oil Filter Retainer Lower - Fits 1965-1981 Harley-Davidson FL, 1957-1978 XLH, 1971-1981 FX
V-Twin Mfg
MSRP: $9.94$9.83Lower retainer for filter elements. Fits:FL 1965-1981XLH 1957-1978FX 1971-1981Additional Information OEM No.63846-67MSRP: $9.94$9.83 -
V-Twin - 40-0121 - Breather Pipe Chrome
Wyatt Gatling
$24.83V-Twin - 40-0121 - Breather Pipe ChromeDescriptionChrome breather pipe with fitting nut.The pipe opens into a container for ventilation. Breather pipe is manufactured to meet OEM specifications for...$24.83 -
V-Twin - 40-0115 - Oil Line Kit
Wyatt Gatling
$36.59V-Twin - 40-0115 - Oil Line KitDescriptionChrome oil line kit for rocker boxes which include fittings and seals.. Fits:XL 1957-1984 except models that have MagnetosAdditional Information$36.59 -
V-Twin - 40-0113 - Replica Chrome 'Y' Oil Line
Wyatt Gatling
$63.82V-Twin - 40-0113 - Replica Chrome 'Y' Oil LineDescriptionReplica chrome 'Y' oil line is for use on stock 1963-1965 Panheads, or on STD heads for outside oiling.The timing cover must be drilled for...$63.82 -
V-Twin - 40-0105 - UL Oil Line Set Chrome - Fits 1941-1948 Harley-Davidson UL
V-Twin Mfg
$153.89Chrome oil line set includes feed, return, and vent lines.Three piece set. *NOTE: The frame brace must have an indent for the feed line to connect to the oil pump fitting. Fits:UL 1941-1948Additional...$153.89 -
V-Twin - 40-0100 - Oil Filter Kit
Wyatt Gatling
$92.86V-Twin - 40-0100 - Oil Filter KitDescriptionThis oil filter kit features bolt on mounting behind shifter plate and can be used as an auxiliary unit in addition to filter in tank. Kit includes chrome...$92.86 -
V-Twin - 40-0098 - Oil Cooler Filter Kit
Wyatt Gatling
$97.81V-Twin - 40-0098 - Oil Cooler Filter KitDescriptionThis oil cooler filter kit with alloy flange and lines includes chrome spin on filter, finned aluminum mount, hose and clamps. Kit is universal...$97.81 -
V-Twin - 40-0096 - Pura Flow Oil Filter Kit Chrome
Wyatt Gatling
$84.61V-Twin - 40-0096 - Pura Flow Oil Filter Kit ChromeDescriptionChrome Pura Flow oil filter kit for Big Twins models. Fits:FXST 1984-1998FLST 1986-1999FX 1974-1984FL 1941-1984Additional Information$84.61 -
V-Twin - 40-0093 - Oil Filter Housing Chrome - Fits 1992-1999 Harley-Davidson FXST, FLST
V-Twin Mfg
$71.15Chrome oil filter housing features two 1/4" NPT fitting holes for attaching rubber or braided steel oil lines.Mounts the same as stock housing on 1992-1999 models. Also can be used on aftermarket...$71.15 -
V-Twin - 40-0090 - Oil Filter Assembly
Wyatt Gatling
$138.50V-Twin - 40-0090 - Oil Filter AssemblyDescriptionPolished top oil filter assembly features slip on hose fitting which can be substituted with screw in fittings to accept metal line. Canister is...$138.50 -
V-Twin - 40-0041 - Spin On Oil Filter Black
V-Twin Mfg
MSRP: $22.50$21.03V-Twin - 40-0041 - Spin On Oil Filter BlackDescriptionSpin on oil filter features a smooth design with a black finish. Supports a higher flow rate. For M8 models.Constructed of paper material...MSRP: $22.50$21.03 -
V-Twin - 40-0040 - Spin On Oil Filter Chrome
V-Twin Mfg
MSRP: $22.50$21.03V-Twin - 40-0040 - Spin On Oil Filter ChromeDescriptionSpin on oil filter features a smooth design with a chrome finish. Supports a higher flow rate. For M8 models.Constructed of paper material...MSRP: $22.50$21.03 -
V-Twin - 38-2203 - OE Washer
OE
MSRP: $5.88$5.29V-Twin - 38-2203 - OE WasherDescriptionOE washer features a chrome finish. Fits:FLST 2000-2006Additional Information OEM No.MSRP: $5.88$5.29 -
V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit Chrome
Colony Machine
MSRP: $74.07$66.66V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit ChromeDescriptionRocker box allen screw kit includes chrome plated button head allen screws and washers, used to mount rocker covers on 2017-up...MSRP: $74.07$66.66 -
V-Twin - 3758-3 - Chain Oiler Screw Kit Parkerized
Colony Machine
MSRP: $15.88$14.29V-Twin - 3758-3 - Chain Oiler Screw Kit ParkerizedDescriptionChain oil screw kit features a parkerized finish and includes screw, washer and nut. Fits:FL 1950-1964G 1958-1969Additional InformationMSRP: $15.88$14.29 -
V-Twin - 3749-2 - Magneto to Crankcase Oil Seal Ring and Gasket Kit
Colony Machine
MSRP: $5.88$5.29V-Twin - 3749-2 - Magneto to Crankcase Oil Seal Ring and Gasket KitDescriptionMagneto to crankcase oil seal ring and gasket kit. Fits:XLCH 1958-1965Additional InformationMSRP: $5.88$5.29 -
V-Twin - 3738-1 - Pinion Gear Nut
Colony Machine
$21.99V-Twin - 3738-1 - Pinion Gear NutDescriptionPinion gear nut with 5/8"-24 left hand thread. Fits:FLT 1990-1992FXD 1991-1992FXST 1990-1992FLST 1990-1992Additional Information$21.99 -
V-Twin - 3735-4 - Linkert Carburetor Gasket Kit
Colony Machine
$14.74V-Twin - 3735-4 - Linkert Carburetor Gasket KitDescriptionLinkert carburetor gasket kit includes 3 gaskets and a stainless steel spring. Fits:UL 1937-1948FL 1941-1965EL 1936-1940VL...$14.74
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.